U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL 85 PLATE 32 



Species and Subspecies of Chondropoma (Chondropomaj (X2) 



I, curenaseiise corrientesense; 2, c. carenasense; 3, c. toroense; 4, oxytremum; 5. c. guaraboense: 6, c. rosariens 



7, e. cantiltense: 8, obesum hershei; 9, o. subobesum: 10, o. palmasolense; 11, o. obesum. 



